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Ethernet EMI Filters
The DJM Electronics ACTIV™ brand EMI Filters are the most advanced and effective EMI filter design available on the market. Utilizing proprietary Digital Signal Processing (DSP) techniques, ACTIV EMI Filters faithfully reproduce digital signals without unwanted or extraneous interference. Military grade passive filtering technology ensures that digital input and output signals traverse the filter in complete and absolute isolation from each other and the outside world. Signal lines are balanced perfectly throughout the multilayered cards to avoid tainting the fast rise times required by digital square wave signals. The result is a pristine digital output far surpassing the filtering capabilities of any other EMI filters.
Every ACTIV™ EMI Filter is constructed with the highest grade electrical components, starting with a super accurate, ultra stable high speed crystal clock which drives the specially developed DSP circuitry and communication chipset. To protect against unanticipated voltage and/or current surges, ACTIV™ Filters incorporate ESD and transient voltage suppressors, inrush current limiters, and gas discharge tubes. ACTIV™ EMI Filters are mounted in a rugged protective housing machined from solid aluminum stock. The housing not only provides physical protection to the filter components, but is also an integral contributor to the filter's effectiveness. The unique structure of the housing effectively disrupts undesirable emissions from propagating through the filter while simultaneously providing low impedance pathways for interference to be directed out of the filter. Between the housing and protection circuitry, ACTIV™ EMI Filters are suitable for nearly any environment ranging from climate-controlled residential use to harsh and unforgiving military applications
Features:
- Proprietary DSP technology provides unmatched EMI filtering
- Military grade passive filtering techniques maintain clean and sharp signals
- Highest grade electrical components deliver long service life
- Rugged protective housing offers reliability in any environment
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Models
ACTIV™ Ethernet Filters come in five models:
- ACTIV 10G
The standard model that is designed to be mounted onto shielded enclosures using a threaded penetration. The filter works with 10/100, Gigabit, 2.5G, 5G and 10G Ethernet networks. The filter will automatically select the fastest communication speed and can translate between networks of different speeds.
- ACTIV POE
A variation of the ACTIV 10G that provides Power Over Ethernet (POE) in compliance with IEEE 802.3bt Type 3, 4PPoE or POE++. The filter acts as an injector (aka Power Sourcing Equipment or PSE) and does not require POE at the filter input.
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- ACTIV 10G-HW
A variation of the ACTIV 10G that is designed to meet stricter safety standards for use in air handling/plenum areas. The ACTIV 10G-HW must be hardwired to building AC power.
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- ACTIV 10G-EMP
The only 100dB Ethernet filter that is protected against Electromagnetic Pulse (EMP), High Altitude Electromagnetic Pulses (HEMP), Nuclear Electromagnetic Pulse (NEMP) and lightning threats. The ACTIV 10G-EMP is designed to survive both E1 and E2 electrical pulses as described in Mil-Std-188-125.
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- ACTIV AUDIO
This variation of the ACTIV 10G filters cannot be used with a shielded enclosure. It is designed to be inserted into a network drop or run. Common applications are streaming audio, computer automated machines, and sensitive instrumentation.
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Customization
ACTIV™ brand Ethernet EMI filters can be modified to meet specific customer requirements. If you need an Ethernet EMI filter for a military or harsh environment or require customized housings or functions, please contact us to discuss your application.
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